Estrategias Calculo
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Estrategias Calculo - Presentation Transcript
- ESTRATEGIAS DE CÁLCULO 78+11=89 67-9=58 437+101=548
- Estrategia Ejemplo + 11 + 10 + 1 - 11 - 10 - 1 47 + 11 47 + 10 = 57 57 + 1 = 58 47 - 11 47 – 10 = 37 37 – 1 = 36
- Estrategia Ejemplo + 9 + 10 - 1 - 9 - 10 + 1 468 + 9 468 + 10 = 478 478 – 1 = 477 468 - 9 468 – 10 = 458 458 + 1 = 459
- Estrategia Ejemplo + 101 + 100 + 1 - 101 - 100 - 1 532 + 101 532 + 100 = 542 542 + 1 = 543 532 - 101 532 – 100 = 432 432 – 1 = 431
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